When I was talking about monitoring web performance yesterday, I linked to the CrUX data for The Session. CrUX is a contraction of Chrome User Experience Report. CrUX just sounds better than CEAR. It’s data gathered from actual Chrome users worldwide. It can be handy as part of a balanced performance-monitoring diet, but it’s always worth remembering that it only shows a subset of your users; those on Chrome. The actual CrUX data is imprisoned in some hellish Google interface so some kind...